Flexible data storage system
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United States of America Patent
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Aug 2, 2016
Grant Date -
May 28, 2015
app pub date -
Aug 21, 2014
filing date -
Apr 27, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
Methods and systems for managing and locating available storage space in a system comprising data files stored in a plurality of storage devices and configured in accordance with various data storage schemes (mirroring, striping and parity-striping). A mapping table associated with each of the plurality of storage devices is used to determine the available locations and amount of available space in the storage devices. The data storage schemes for one or more of the stored data files are changed to a basic storage mode when the size of a new data file configured in accordance with an assigned data storage scheme exceeds the amount of available space. The configured new data file is stored in accordance with the assigned data storage scheme in one or more of the available locations and the locations of the new data file are recorded.
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